ROCK ISLAND WSC
PWS ID: TX0450015 · ROCK ISLAND, Texas 77470-0144
Population Served
230
Total Violations
78
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 129
- County
- Colorado
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 42
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 20 | 2012 |
| Chlorine | MR | 9 | 2017 |
| Lead and Copper Rule | MR | 6 | 2019 |
| Consumer Confidence Rule | Other | 4 | 2015 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| E. COLI | MR | 3 | 2010 |
| Public Notice | Other | 2 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.